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Which of the following is not a non-essential mineral?

(a) Molybdenum

(b) Iron

(c) Calcium

(d) Cobalt

I had been asked this question during an online exam.

The origin of the question is Media for Industrial Fermentations in division Media for Industrial Fermentations of Fermentation Technology

1 Answer

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Best answer
Right option is (c) Calcium

The explanation is: Calcium is used as an essential mineral in the fermentation media whereas iron, molybdenum, cobalt, etc. are non-essential media.

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